There are 2 definitions of Rf in English:

Rf1

Syllabification: Rf

symbol

The chemical element rutherfordium.

Definition of Rf in:

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Word of the day obsequious
Pronunciation: əbˈsēkwēəs
adjective
obedient or attentive to an excessive degree...

There are 2 definitions of Rf in English:

RF2

Syllabification: RF

abbreviation

Radio frequency.

Definition of Rf in: